--- service: a.root-servers.net start-period: '2014-07-06T00:00:00Z' end-period: '2014-07-06T23:59:59Z' metric: rcode-volume 0: 1133479358 1: 374696 2: 775 3: 856604918 4: 6708 5: 983493 6: 758 7: 588 8: 452 9: 1740 10: 368 11: 721 12: 465440 13: 671 14: 1140 15: 814 16: 1